Avalanche Weather Guidance
Issued by NWS Reno, NV
Issued by NWS Reno, NV
914
FWUS45 KREV 201034
AVGREV
AVALANCHE WEATHER GUIDANCE
NATIONAL WEATHER SERVICE RENO NV
234 AM PST THU NOV 20 2025
...FREDONYER PASS (5800 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV BK BK BK BK SC SC SC FW FW FW FW FW FW
CLOUD COVER (%) 90 85 80 75 70 60 55 55 35 30 35 15 10 20 20 20 25
TEMPERATURE 35 35 35 36 35 31 31 31 30 29 36 41 39 33 32 31 29
MAX/MIN TEMP 37 29 41 28
WIND DIR SW SW NW N N NE NE NE E NE E E E NE NE NE NE
WIND (MPH) 4 3 4 5 4 5 5 5 5 5 8 6 4 3 3 2 2
WIND GUST (MPH) 11 8 11 13 13 14 16 13 12 12 16 17 12 9 9 6 6
PRECIP PROB (%) 60 60 50 30 10 5 5 5 0 0 0 0 0 0 0 0 0
PRECIP TYPE S S S S
6 HOUR QPF 0.09 0.06 0.00 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.0 0.0 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 0.7 0.0 0.0 0.0
SNOW LEVEL (KFT) 5.6 5.5 5.7 5.8 5.4 4.8 4.6 5.3 5.2 5.3 5.7 6.4 6.6 6.4 6.0 5.8 5.6
...YUBA PASS (6700 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK BK SC FW FW SC SC SC
CLOUD COVER (%) 85 90 85 85 85 85 80 80 75 65 55 30 25 25 30 35 30
TEMPERATURE 30 30 32 32 31 28 27 29 28 29 33 37 35 30 29 28 27
MAX/MIN TEMP 33 27 37 25
WIND DIR SW SW W N NE NE NE E E E E E E E E E E
WIND (MPH) 8 5 3 5 5 10 10 10 10 10 10 10 8 10 10 10 9
WIND GUST (MPH) 17 11 10 12 14 21 24 24 24 24 23 21 20 21 23 20 18
PRECIP PROB (%) 50 50 80 70 30 5 10 10 10 5 5 5 0 0 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.08 0.12 0.03 0.02 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.6 1.1 0.3 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 1.7 0.3 0.0 0.0
LOW END SNOW 0.4 0.0 0.0 0.0
HIGH END SNOW 2.4 0.4 0.0 0.0
SNOW LEVEL (KFT) 5.8 5.7 5.9 6.0 5.8 5.5 5.4 5.7 5.7 5.7 6.0 6.7 6.8 6.4 6.3 6.1 6.1
...LITTLE TRUCKEE SUMMIT (6400 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK SC SC SC SC SC SC SC
CLOUD COVER (%) 90 90 85 90 90 95 85 80 80 65 50 30 30 35 35 45 40
TEMPERATURE 31 30 36 37 34 30 30 30 28 28 37 41 38 31 28 27 25
MAX/MIN TEMP 37 25 41 22
WIND DIR SE S NW N N NE NE NE NE E E E E E E E E
WIND (MPH) 5 3 3 3 4 5 5 6 6 8 8 6 5 5 5 4 5
WIND GUST (MPH) 11 8 8 9 9 12 13 13 13 14 14 14 12 11 11 10 9
PRECIP PROB (%) 40 40 80 80 40 10 10 10 10 5 5 5 5 5 5 5 0
PRECIP TYPE S S S S S
6 HOUR QPF 0.03 0.13 0.02 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 0.1 0.1 0.2 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 0.2 0.2 0.0 0.0
LOW END SNOW 0.0 0.0 0.0 0.0
HIGH END SNOW 1.8 0.3 0.0 0.0
SNOW LEVEL (KFT) 5.8 5.8 6.1 6.1 5.8 5.6 5.7 5.9 5.9 5.9 6.2 6.6 6.7 6.4 6.3 6.3 6.1
...DONNER PASS (7200 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV SC SC SC FW SC SC SC SC
CLOUD COVER (%) 90 95 85 85 85 80 75 75 70 50 40 25 20 25 30 35 40
TEMPERATURE 30 29 29 30 28 27 28 28 28 29 31 34 32 28 27 26 27
MAX/MIN TEMP 30 27 34 25
WIND DIR SW SW SW N NE NE NE NE NE E E E NE E E E E
WIND (MPH) 16 10 5 5 10 17 23 24 24 19 17 14 13 17 19 17 13
WIND GUST (MPH) 24 16 8 8 14 25 34 36 35 29 26 23 20 26 29 26 20
PRECIP PROB (%) 50 50 80 80 40 10 20 20 10 10 5 5 5 5 10 10 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.10 0.15 0.02 0.00 0.00 0.00 0.00 0.00
6 HOUR SNOW 1.2 1.8 0.3 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 3.0 0.3 0.0 0.0
LOW END SNOW 1.1 0.0 0.0 0.0
HIGH END SNOW 3.5 0.5 0.0 0.0
SNOW LEVEL (KFT) 5.9 5.9 6.1 6.2 5.9 5.6 5.7 5.9 5.9 5.9 6.2 6.7 6.8 6.4 6.4 6.4 6.4
...MT ROSE SUMMIT (8900 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC SC
CLOUD COVER (%) 85 95 90 90 90 90 90 85 85 75 70 60 45 45 40 35 35
TEMPERATURE 27 25 25 25 23 24 24 24 25 25 27 28 27 24 24 24 24
MAX/MIN TEMP 25 24 28 22
WIND DIR SW W W N N NE NE NE NE E E E E E E E E
WIND (MPH) 14 11 6 8 10 14 23 23 21 19 18 16 14 16 17 16 12
WIND GUST (MPH) 21 17 9 11 14 23 33 34 33 28 28 25 23 24 26 24 19
PRECIP PROB (%) 50 50 90 70 50 30 20 10 10 10 5 5 0 0 5 5 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.07 0.24 0.10 0.06 0.01 0.00 0.00 0.00
6 HOUR SNOW 0.9 3.0 1.2 0.9 0.4 0.0 0.0 0.0
12 HOUR SNOW 3.9 2.1 0.4 0.0
LOW END SNOW 1.3 0.1 0.0 0.0
HIGH END SNOW 6.1 2.9 0.4 0.0
SNOW LEVEL (KFT) 6.2 6.2 6.3 6.3 5.9 5.8 5.8 6.1 6.0 6.0 6.2 6.4 6.7 6.5 6.5 6.2 6.1
...HOMEWOOD (8000 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV BK BK BK BK SC SC SC SC SC SC
CLOUD COVER (%) 75 95 90 85 80 80 70 70 65 60 55 40 25 30 30 30 35
TEMPERATURE 31 30 30 30 30 29 31 31 30 31 32 34 32 31 31 31 30
MAX/MIN TEMP 31 29 34 28
WIND DIR SW SW SW N NE NE E E E E E E E E E E E
WIND (MPH) 16 11 5 5 11 19 29 33 32 26 19 17 16 23 26 24 19
WIND GUST (MPH) 25 16 8 9 17 29 44 49 48 40 29 26 24 34 39 35 29
PRECIP PROB (%) 50 50 90 80 50 20 20 10 20 10 5 5 5 5 5 5 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.09 0.18 0.06 0.01 0.00 0.00 0.00 0.00
6 HOUR SNOW 1.2 2.4 0.6 0.0 0.0 0.0 0.0 0.0
12 HOUR SNOW 3.6 0.6 0.0 0.0
LOW END SNOW 1.3 0.0 0.0 0.0
HIGH END SNOW 4.3 1.3 0.1 0.0
SNOW LEVEL (KFT) 5.9 6.0 6.2 6.4 5.9 5.8 5.8 6.3 6.2 6.3 6.4 6.7 6.8 6.6 6.6 6.5 6.4
...ECHO PASS (7500 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK SC SC SC SC SC SC SC
CLOUD COVER (%) 75 95 95 90 85 80 75 70 70 50 35 35 30 35 40 40 40
TEMPERATURE 32 30 30 29 28 29 31 31 30 29 31 33 31 29 30 31 29
MAX/MIN TEMP 31 29 34 27
WIND DIR SW SW SW NW NE NE NE NE NE E E E E E E E E
WIND (MPH) 6 3 2 3 5 13 17 18 18 17 11 8 8 13 17 16 13
WIND GUST (MPH) 11 6 8 9 11 21 24 24 24 24 20 19 17 24 24 19 16
PRECIP PROB (%) 50 50 90 90 60 30 30 10 20 10 5 5 5 5 5 5 5
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.09 0.20 0.09 0.02 0.01 0.00 0.00 0.00
6 HOUR SNOW 1.2 2.4 0.9 0.3 0.0 0.0 0.0 0.0
12 HOUR SNOW 3.6 1.2 0.0 0.0
LOW END SNOW 1.0 0.0 0.0 0.0
HIGH END SNOW 4.6 1.7 0.2 0.0
SNOW LEVEL (KFT) 6.1 6.1 6.4 6.5 6.0 5.9 5.9 6.1 6.0 6.0 6.2 6.6 6.6 6.2 6.3 6.5 6.4
...CARSON PASS (8800 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC SC SC
CLOUD COVER (%) 70 95 95 90 85 85 80 75 75 65 55 50 35 40 40 40 40
TEMPERATURE 27 25 26 27 26 25 26 26 25 25 26 29 27 26 27 25 25
MAX/MIN TEMP 28 24 30 23
WIND DIR SW SW SW W NE NE E NE E E E E E E E E E
WIND (MPH) 17 11 4 4 12 23 33 37 34 32 24 18 18 24 27 26 21
WIND GUST (MPH) 26 17 6 6 19 34 50 56 51 48 36 28 27 36 42 40 33
PRECIP PROB (%) 50 50 90 90 70 40 30 20 20 10 10 10 5 5 10 10 5
PRECIP TYPE S S S S S S S S S
6 HOUR QPF 0.07 0.22 0.12 0.04 0.02 0.00 0.00 0.00
6 HOUR SNOW 0.9 3.0 1.5 0.3 0.3 0.0 0.0 0.0
12 HOUR SNOW 3.9 1.8 0.3 0.0
LOW END SNOW 1.5 0.1 0.0 0.0
HIGH END SNOW 5.3 2.6 0.3 0.0
SNOW LEVEL (KFT) 6.2 6.2 6.5 6.5 6.0 5.9 5.9 6.1 6.0 6.0 6.1 6.4 6.6 6.4 6.4 6.5 6.4
...EBBETTS PASS (8700 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK BK BK SC SC SC SC SC
CLOUD COVER (%) 75 90 95 95 90 90 85 80 85 70 60 50 40 45 45 35 40
TEMPERATURE 28 26 26 27 25 25 26 28 26 25 26 29 27 25 25 25 24
MAX/MIN TEMP 28 25 29 22
WIND DIR SW SW SW W NE NE NE NE NE NE NE NE NE NE NE E E
WIND (MPH) 17 10 5 4 13 21 29 31 31 28 26 20 19 24 25 24 20
WIND GUST (MPH) 25 14 8 6 20 33 43 47 46 43 40 32 29 36 39 36 32
PRECIP PROB (%) 50 50 90 90 70 50 40 20 20 20 10 10 10 10 10 10 5
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.06 0.26 0.24 0.10 0.04 0.00 0.00 0.00
6 HOUR SNOW 0.6 3.6 3.0 1.2 0.3 0.0 0.0 0.0
12 HOUR SNOW 4.2 4.2 0.3 0.0
LOW END SNOW 1.8 1.4 0.2 0.0
HIGH END SNOW 5.1 4.4 0.3 0.0
SNOW LEVEL (KFT) 6.3 6.3 6.6 6.5 6.1 6.0 5.9 6.1 6.0 6.0 6.1 6.4 6.6 6.3 6.2 6.5 6.4
...SONORA PASS (9800 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC SC SC
CLOUD COVER (%) 75 85 95 95 85 85 80 70 75 65 60 45 30 35 30 25 25
TEMPERATURE 26 24 25 25 22 23 24 24 23 23 25 27 24 22 23 22 21
MAX/MIN TEMP 26 21 28 19
WIND DIR SW SW SW W NE NE NE E E E E E E E E E E
WIND (MPH) 17 9 6 6 12 20 27 29 28 29 28 21 20 26 27 25 21
WIND GUST (MPH) 26 13 10 10 19 32 41 44 42 44 43 33 31 39 41 37 33
PRECIP PROB (%) 50 50 90 90 80 50 40 20 30 20 10 10 10 10 10 10 5
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.09 0.27 0.16 0.06 0.06 0.00 0.00 0.00
6 HOUR SNOW 1.2 3.6 2.4 0.6 0.6 0.0 0.0 0.0
12 HOUR SNOW 4.8 3.0 0.6 0.0
LOW END SNOW 2.2 0.8 0.0 0.0
HIGH END SNOW 5.9 4.3 0.7 0.0
SNOW LEVEL (KFT) 6.5 6.6 6.9 6.8 6.2 6.0 5.9 6.1 6.0 6.0 6.2 6.5 6.5 6.3 6.3 6.5 6.6
...MATTERHORN GLACIER (11000 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER BK OV OV OV OV OV OV OV OV OV BK SC SC SC SC SC SC
CLOUD COVER (%) 70 75 90 95 90 95 90 80 85 80 65 50 35 40 40 35 35
TEMPERATURE 21 18 22 23 20 19 20 20 19 18 20 22 20 18 19 18 16
MAX/MIN TEMP 23 18 22 14
WIND DIR SW SW SW N NE NE NE NE NE E E E E NE NE NE NE
WIND (MPH) 18 10 6 6 13 21 29 31 32 34 28 21 20 27 31 28 26
WIND GUST (MPH) 28 14 10 9 20 33 44 47 48 51 43 33 31 42 46 43 40
PRECIP PROB (%) 40 40 90 90 80 60 50 30 30 30 20 20 10 10 10 10 5
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.04 0.24 0.32 0.13 0.04 0.00 0.00 0.00
6 HOUR SNOW 0.6 3.6 4.5 1.8 0.6 0.0 0.0 0.0
12 HOUR SNOW 4.2 6.3 0.6 0.0
LOW END SNOW 1.9 2.5 0.0 0.0
HIGH END SNOW 5.7 8.9 0.7 0.0
SNOW LEVEL (KFT) 6.6 6.7 7.0 6.9 6.3 6.1 6.0 6.2 6.1 6.2 6.4 6.5 6.4 6.2 6.4 6.5 6.6
...TIOGA ENTRY STATION (9950 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV OV OV OV OV OV OV OV OV OV BK BK SC SC SC SC SC
CLOUD COVER (%) 70 80 90 95 90 85 85 85 85 75 70 55 45 50 45 40 40
TEMPERATURE 25 22 25 25 23 21 21 22 20 20 24 24 22 20 20 20 18
MAX/MIN TEMP 25 18 24 15
WIND DIR SW SW W W NE NE NE NE NE E E E E NE NE NE NE
WIND (MPH) 12 6 6 4 9 12 19 20 21 25 21 16 14 19 21 19 17
WIND GUST (MPH) 18 11 10 8 13 19 28 29 32 37 33 25 21 28 32 28 26
PRECIP PROB (%) 30 30 80 90 80 70 50 30 30 30 20 20 10 10 5 5 5
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.04 0.28 0.33 0.17 0.07 0.01 0.00 0.00
6 HOUR SNOW 0.6 3.6 4.5 2.4 0.9 0.0 0.0 0.0
12 HOUR SNOW 4.2 6.9 0.9 0.0
LOW END SNOW 1.6 2.7 0.0 0.0
HIGH END SNOW 5.3 7.9 1.1 0.0
SNOW LEVEL (KFT) 6.6 6.8 7.2 7.0 6.4 6.2 6.0 6.3 6.2 6.2 6.4 6.4 6.4 6.2 6.4 6.5 6.6
...MT WARREN SUMMIT (12325 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV BK OV OV OV OV OV OV OV OV OV BK BK BK SC SC SC
CLOUD COVER (%) 70 70 90 95 95 95 90 90 90 85 80 65 55 50 45 40 40
TEMPERATURE 20 18 17 19 17 17 18 18 17 17 15 18 16 14 15 15 15
MAX/MIN TEMP 19 15 18 13
WIND DIR W W W N N NE NE NE E NE E NE NE NE NE N N
WIND (MPH) 16 8 6 6 11 18 25 26 28 29 24 19 17 23 25 25 21
WIND GUST (MPH) 24 12 9 10 18 27 37 40 42 44 36 28 26 34 39 37 33
PRECIP PROB (%) 30 30 80 90 80 70 50 30 30 20 20 20 10 10 5 5 5
PRECIP TYPE S S S S S S S S S S S S
6 HOUR QPF 0.02 0.26 0.39 0.17 0.05 0.01 0.00 0.00
6 HOUR SNOW 0.0 3.6 5.1 2.4 0.6 0.0 0.0 0.0
12 HOUR SNOW 3.6 7.5 0.6 0.0
LOW END SNOW 1.5 3.0 0.0 0.0
HIGH END SNOW 5.3 11.2 1.1 0.1
SNOW LEVEL (KFT) 6.6 6.8 7.1 7.0 6.4 6.2 6.0 6.2 6.2 6.2 6.3 6.4 6.4 6.2 6.4 6.5 6.5
...MAMMOTH MTN SUMMIT (11034 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER BK BK OV OV OV OV OV OV OV OV OV BK BK BK BK SC SC
CLOUD COVER (%) 65 55 85 90 90 95 90 85 80 80 75 70 60 60 55 45 40
TEMPERATURE 26 22 22 22 21 22 22 22 22 21 21 23 21 21 22 22 21
MAX/MIN TEMP 22 20 23 19
WIND DIR SW SW SW SW W NE NE NE NE NE NE NE NE NE NE NE N
WIND (MPH) 14 10 6 8 6 11 21 23 24 25 21 18 17 21 24 24 20
WIND GUST (MPH) 21 14 9 12 10 17 32 34 35 39 33 27 25 33 36 35 32
PRECIP PROB (%) 20 20 80 90 80 70 50 20 20 20 10 10 5 5 5 5 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.01 0.14 0.28 0.12 0.04 0.01 0.00 0.00
6 HOUR SNOW 0.0 1.8 3.6 1.5 0.6 0.0 0.0 0.0
12 HOUR SNOW 1.8 5.1 0.6 0.0
LOW END SNOW 0.5 2.1 0.0 0.0
HIGH END SNOW 3.0 5.9 0.8 0.0
SNOW LEVEL (KFT) 6.4 6.3 6.8 6.8 6.4 6.2 6.1 6.2 6.0 6.2 6.4 6.5 6.5 6.2 6.2 6.4 6.4
...MAMMOTH MTN SESAME SNOW PLOT (9025 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER BK BK OV OV OV OV OV OV OV OV OV OV BK BK BK SC SC
CLOUD COVER (%) 65 55 85 90 90 95 90 85 80 80 80 70 60 60 55 45 40
TEMPERATURE 28 27 28 29 27 25 27 28 27 27 27 28 27 24 26 26 25
MAX/MIN TEMP 29 25 29 23
WIND DIR SW SW SW SW SW NE NE NE NE NE NE NE NE NE NE NE N
WIND (MPH) 8 5 4 5 5 11 14 17 18 16 11 10 10 13 16 13 12
WIND GUST (MPH) 18 13 12 14 18 27 32 36 39 36 28 26 25 33 36 32 28
PRECIP PROB (%) 20 20 80 90 80 70 50 20 20 20 10 10 5 5 5 5 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.01 0.13 0.27 0.10 0.02 0.01 0.00 0.00
6 HOUR SNOW 0.0 1.8 3.6 1.2 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.8 4.8 0.3 0.0
LOW END SNOW 0.5 1.9 0.0 0.0
HIGH END SNOW 2.7 5.2 0.4 0.0
SNOW LEVEL (KFT) 6.4 6.3 6.8 6.8 6.4 6.2 6.1 6.2 6.1 6.2 6.4 6.5 6.5 6.2 6.2 6.4 6.4
...MAMMOTH MTN CANYON BASE (8358 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV BK OV OV OV OV OV OV OV OV OV OV BK BK BK SC SC
CLOUD COVER (%) 75 60 85 90 90 95 90 90 85 85 80 75 60 60 55 50 40
TEMPERATURE 30 29 34 35 33 30 30 29 27 27 32 35 33 29 29 27 24
MAX/MIN TEMP 36 25 36 22
WIND DIR SW SW SW W NW N NE N N NE NE NE NE NE NE NE NE
WIND (MPH) 4 2 2 4 5 9 10 10 10 10 10 10 10 11 11 9 6
WIND GUST (MPH) 14 9 11 13 16 23 26 26 27 27 24 25 25 29 29 25 20
PRECIP PROB (%) 20 20 70 90 80 70 50 20 20 20 10 10 5 5 5 5 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.00 0.10 0.26 0.08 0.03 0.01 0.00 0.00
6 HOUR SNOW 0.0 1.1 3.0 0.9 0.3 0.0 0.0 0.0
12 HOUR SNOW 1.1 3.9 0.3 0.0
LOW END SNOW 0.1 1.3 0.0 0.0
HIGH END SNOW 2.3 4.8 0.3 0.0
SNOW LEVEL (KFT) 6.4 6.4 6.8 6.8 6.4 6.2 6.1 6.1 6.0 6.1 6.4 6.6 6.5 6.2 6.1 6.4 6.4
...BARCROFT RESEARCH STATION (12470 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV BK OV OV OV OV OV OV OV OV OV BK SC SC SC FW FW
CLOUD COVER (%) 80 60 80 95 95 95 90 80 75 70 70 60 50 40 30 25 20
TEMPERATURE 13 13 14 14 13 12 12 13 12 13 14 16 14 12 11 11 11
MAX/MIN TEMP 15 12 16 10
WIND DIR W W W SW E NE E E NE NE NE N N NW NW NW NW
WIND (MPH) 9 6 6 8 8 12 14 16 18 18 17 13 12 16 18 17 17
WIND GUST (MPH) 13 10 11 11 11 18 21 24 27 27 26 20 18 24 27 26 26
PRECIP PROB (%) 10 10 20 70 80 80 70 40 10 10 5 5 5 5 5 5 0
PRECIP TYPE S S S S S S
6 HOUR QPF 0.00 0.21 0.26 0.16 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.0 2.7 3.6 2.4 0.7 0.0 0.0 0.0
12 HOUR SNOW 2.7 6.0 0.7 0.0
LOW END SNOW 1.0 2.7 0.0 0.0
HIGH END SNOW 3.4 7.5 2.9 0.1
SNOW LEVEL (KFT) 6.7 6.9 7.2 7.1 6.3 6.2 6.0 6.3 6.2 6.3 6.4 6.5 6.4 6.2 6.3 6.4 6.3
...ROCK CREEK LAKES (9700 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV SC OV OV OV OV OV OV OV OV BK BK BK BK BK SC SC
CLOUD COVER (%) 70 45 75 90 90 95 90 85 75 80 65 65 55 50 55 40 30
TEMPERATURE 23 20 29 28 23 23 23 22 20 19 25 27 24 22 21 19 17
MAX/MIN TEMP 29 17 28 14
WIND DIR W SW W W NE NE NE E E NE NE NE NE N N NW NW
WIND (MPH) 10 9 5 6 6 11 16 17 18 19 19 14 12 16 20 19 18
WIND GUST (MPH) 14 13 9 11 10 17 25 26 26 28 29 23 19 25 31 29 27
PRECIP PROB (%) 10 10 60 80 80 80 60 30 20 10 10 10 5 5 5 5 0
PRECIP TYPE S S S S S S S
6 HOUR QPF 0.00 0.16 0.23 0.09 0.03 0.00 0.00 0.00
6 HOUR SNOW 0.0 2.1 3.0 1.2 0.3 0.0 0.0 0.0
12 HOUR SNOW 2.1 4.2 0.3 0.0
LOW END SNOW 0.5 1.4 0.0 0.0
HIGH END SNOW 2.4 5.0 0.8 0.2
SNOW LEVEL (KFT) 6.7 6.8 7.2 7.1 6.4 6.3 6.1 6.3 6.2 6.3 6.4 6.6 6.5 6.4 6.2 6.4 6.4
...BEAR CREEK SPIRE (13745 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER BK BK OV OV OV OV OV OV OV OV BK BK BK BK BK SC SC
CLOUD COVER (%) 70 50 80 90 90 95 90 85 75 70 65 60 50 55 55 45 30
TEMPERATURE 15 13 16 17 16 13 13 13 13 13 15 16 14 12 12 13 11
MAX/MIN TEMP 17 12 16 10
WIND DIR W W SW SW W NE E E E E E E NE N NE N N
WIND (MPH) 12 10 6 8 5 11 17 19 20 23 20 16 13 18 21 21 20
WIND GUST (MPH) 18 16 9 12 8 17 26 29 31 34 32 24 20 27 33 33 31
PRECIP PROB (%) 20 20 70 80 80 70 60 30 20 20 10 10 5 5 10 10 0
PRECIP TYPE S S S S S S S S S S
6 HOUR QPF 0.01 0.20 0.26 0.15 0.05 0.00 0.00 0.00
6 HOUR SNOW 0.0 2.7 3.6 2.1 0.6 0.0 0.0 0.0
12 HOUR SNOW 2.7 5.7 0.6 0.0
LOW END SNOW 1.1 2.6 0.0 0.0
HIGH END SNOW 3.7 7.4 2.1 0.3
SNOW LEVEL (KFT) 6.9 7.0 7.4 7.2 6.4 6.2 6.1 6.3 6.2 6.3 6.4 6.6 6.5 6.4 6.2 6.4 6.4
...SOUTH LAKE (9600 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV SC BK OV OV OV OV OV OV OV OV OV BK BK BK SC SC
CLOUD COVER (%) 70 40 70 85 90 95 95 90 90 85 75 70 60 60 50 35 30
TEMPERATURE 21 18 29 29 25 20 20 19 19 18 27 29 26 20 19 19 18
MAX/MIN TEMP 30 17 29 16
WIND DIR SW SW SW SW SW NE NE NE NE NE NE NE N NW NW NW NW
WIND (MPH) 9 9 5 9 6 10 14 14 17 20 18 13 12 16 19 18 17
WIND GUST (MPH) 13 12 9 13 10 14 23 21 25 31 27 20 19 24 29 28 26
PRECIP PROB (%) 10 10 50 80 70 70 70 40 20 20 10 10 5 5 10 10 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.00 0.13 0.21 0.19 0.07 0.01 0.00 0.00
6 HOUR SNOW 0.0 1.8 3.0 2.7 1.2 0.0 0.0 0.0
12 HOUR SNOW 1.8 5.7 1.2 0.0
LOW END SNOW 0.4 2.3 0.0 0.0
HIGH END SNOW 2.6 6.8 2.6 0.5
SNOW LEVEL (KFT) 6.8 7.0 7.3 7.3 6.4 6.3 6.1 6.1 6.2 6.3 6.4 6.6 6.5 6.4 6.1 6.4 6.4
...HURD PEAK SUMMIT (12165 FT)...
DATE THURSDAY 11/20/25 FRIDAY 11/21/25
TIME (LT) 04 07 10 13 16 19 22 01 04 07 10 13 16 19 22 01 04
4A 7A 10A 1P 4P 7P 10P 1A 4A 7A 10A 1P 4P 7P 10P 1A 4A
CLOUD COVER OV SC OV OV OV OV OV OV OV OV OV BK BK BK BK SC SC
CLOUD COVER (%) 75 45 75 85 90 95 85 80 85 80 70 70 60 60 50 35 30
TEMPERATURE 22 18 24 25 21 18 20 19 20 17 23 25 22 18 19 20 18
MAX/MIN TEMP 26 17 26 16
WIND DIR SW SW S S S N NE NE NE NE NE NE N N N NW NW
WIND (MPH) 9 9 5 9 6 10 14 16 17 20 19 13 11 16 19 18 17
WIND GUST (MPH) 13 13 9 14 9 14 23 24 25 31 28 20 18 24 28 28 26
PRECIP PROB (%) 10 10 60 80 70 70 60 40 20 20 10 10 10 10 10 10 0
PRECIP TYPE S S S S S S S S
6 HOUR QPF 0.00 0.14 0.19 0.17 0.06 0.01 0.00 0.00
6 HOUR SNOW 0.0 2.1 2.7 2.4 0.9 0.0 0.0 0.0
12 HOUR SNOW 2.1 5.1 0.9 0.0
LOW END SNOW 0.6 1.7 0.0 0.0
HIGH END SNOW 2.5 6.2 2.1 0.5
SNOW LEVEL (KFT) 6.8 7.0 7.3 7.3 6.4 6.2 6.1 6.1 6.2 6.3 6.4 6.6 6.5 6.4 6.1 6.4 6.5
$$
--- PRECIP TYPE CODES ---
CODE TYPE
T THUNDERSTORMS
R RAIN
S SNOW
I SLEET
Z FREEZING RAIN